The battle over tiny hard drives has again landed in court.
Drive maker Hitachi Global Storage Technologies in late December said it had sued hard-drive company GS Magicstor of China, its Chinese parent company GS Magic and Riospring of Milpitas, Calif., for infringement of multiple Hitachi patents relating to hard-disk drives. Hitachi described Riospring as Magicstor's research affiliate.
GS Magicstor, which makes small hard drives, including 1-inch models, did not immediately respond to an e-mail request for comment. Hitachi 1-inch drivesin Apple's popular iPod Mini, and the company plans to offer a of its 1-inch "Microdrive" later this year.
Last year, drive makers Seagate Technology and Western Digital, alleging patent infringement. Cornice against Seagate. Small hard drives store data in portable devices such as music players and .